private void Parse(NSData data)
{
try {
var earthquakes = new List <Earthquake> ();
var dump = JsonValue.Parse(NSString.FromData(data, NSStringEncoding.UTF8)) as JsonObject;
JsonValue featureCollection = dump ["features"];
for (int i = 0; i < MaximumNumberOfEarthquakesToParse; i++)
{
var currentEarthquake = new Earthquake();
var earthquake = featureCollection [i] as JsonObject;
JsonValue earthquakeProperties = earthquake ["properties"];
currentEarthquake.Magnitude = NSNumber.FromFloat((float)earthquakeProperties ["mag"]);
currentEarthquake.USGSWebLink = new NSString((string)earthquakeProperties ["url"]);
currentEarthquake.Location = new NSString((string)earthquakeProperties ["place"]);
//date and time in milliseconds since epoch
var seconds = (Int64)earthquakeProperties ["time"];
var date = new DateTime(1970, 1, 1, 0, 0, 0).AddMilliseconds(seconds);
string str = date.ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'Z'");
currentEarthquake.Date = dateFormatter.Parse(str);
JsonValue earthquakeGeometry = earthquake ["geometry"];
var coordinates = earthquakeGeometry ["coordinates"] as JsonArray;
currentEarthquake.Longitude = NSNumber.FromFloat(coordinates [0]);
currentEarthquake.Latitude = NSNumber.FromFloat(coordinates [1]);
if (earthquakes.Count > SizeOfEarthquakesBatch)
{
AddEarthquakesToList(earthquakes);
earthquakes.Clear();
}
else
{
earthquakes.Add(currentEarthquake);
}
}
if (earthquakes.Count > 0)
{
AddEarthquakesToList(earthquakes);
}
} catch (Exception e) {
Console.WriteLine(e.StackTrace + e.Message);
var userInfo = NSDictionary.FromObjectAndKey(new NSString("Error while parsing GeoJSON"),
NSError.LocalizedDescriptionKey);
var parsingError = new NSError(new NSString(), 0, userInfo);
InvokeOnMainThread(new Selector("HandleEarthquakesError:"), parsingError);
}
}
private void Parse (NSData data)
{
try {
var earthquakes = new List<Earthquake> ();
var dump = JsonValue.Parse (NSString.FromData (data, NSStringEncoding.UTF8)) as JsonObject;
JsonValue featureCollection = dump ["features"];
for (int i = 0; i < MaximumNumberOfEarthquakesToParse; i++) {
var currentEarthquake = new Earthquake ();
var earthquake = featureCollection [i] as JsonObject;
JsonValue earthquakeProperties = earthquake ["properties"];
currentEarthquake.Magnitude = NSNumber.FromFloat ((float)earthquakeProperties ["mag"]);
currentEarthquake.USGSWebLink = new NSString ((string)earthquakeProperties ["url"]);
currentEarthquake.Location = new NSString ((string)earthquakeProperties ["place"]);
//date and time in milliseconds since epoch
var seconds = (Int64)earthquakeProperties ["time"];
var date = new DateTime (1970, 1, 1, 0, 0, 0).AddMilliseconds (seconds);
string str = date.ToString ("yyyy'-'MM'-'dd'T'HH':'mm':'ss'Z'");
currentEarthquake.Date = dateFormatter.Parse (str);
JsonValue earthquakeGeometry = earthquake ["geometry"];
var coordinates = earthquakeGeometry ["coordinates"] as JsonArray;
currentEarthquake.Longitude = NSNumber.FromFloat (coordinates [0]);
currentEarthquake.Latitude = NSNumber.FromFloat (coordinates [1]);
if (earthquakes.Count > SizeOfEarthquakesBatch) {
AddEarthquakesToList (earthquakes);
earthquakes.Clear ();
} else {
earthquakes.Add (currentEarthquake);
}
}
if (earthquakes.Count > 0)
AddEarthquakesToList (earthquakes);
} catch (Exception e) {
Console.WriteLine (e.StackTrace + e.Message);
var userInfo = NSDictionary.FromObjectAndKey (new NSString ("Error while parsing GeoJSON"),
NSError.LocalizedDescriptionKey);
var parsingError = new NSError (new NSString (), 0, userInfo);
InvokeOnMainThread (new Selector ("HandleEarthquakesError"), parsingError);
}
}
